According to the product information, this R.O.C.S. toothpaste is often chosen by people whose teeth seem prone to sensitivity after acidic foods. Its purpose is to support regular enamel care through a mineral complex containing magnesium chloride, calcium glycerophosphate and sodium glycerophosphate, together with phosphorus-related mineral components that are relevant to tooth structure.
For best results, use it as part of a careful brushing routine rather than relying on the paste alone. Brush with a soft or medium toothbrush, use gentle pressure, and spend enough time cleaning all tooth surfaces, especially near the gumline where plaque can collect. After acidic foods or drinks, it is generally sensible to rinse with water and wait a while before brushing, because brushing immediately after acid exposure can be harsher on the enamel surface.
If your sensitivity is occasional and linked to acidic foods, a remineralising toothpaste may fit well into your routine. However, if discomfort is sharp, appears suddenly, affects one tooth, or continues despite good oral hygiene, it is better to check with a dentist. Sensitivity can have different causes, and a professional can confirm whether a remineralising toothpaste is enough or whether another approach is needed.